KEY TAKEAWAYS •
Prokaryotic DNA is usually circular with few exons and introns.
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In prokaryotes, the transcription and translation occur at the same time.
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Eukaryotic DNA is linear and located in the nucleus.
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Gene expression in prokaryotes happens when entire operons are expressed or not expressed.
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Gene expression in eukaryotes is similar to prokaryotes but involves different activators and repressors.
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Gene mutations are of different types that can be serious or not very serious.
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Many serious mutations become dangerous because of an inability to correct the mutation, as is seen in certain diseases.
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